Professor Paul Evans
Brett Halsey
Liza Harris
Meg Register
Sean
Grady Clarkson
John
Ettore Comi
Nun
Bruna Rossi
Paola Calati
Robbie
Francesco Cusimano
Turi DeSimone
Lino Salemme
Susie
Christina Engelhardt
Kevin
Pascal Druant
Lilla
Carla Cassola
Lt. Andi
Michael Aronin
Porter
Al Cliver
Pregnant Nun
Paola Cozzo
Inspector Carter (uncredited)
Lucio Fulci
Screenplay
Director
Story
Antonio Tentori
Original Music Composer
Giovanni Cristiani
Piero Regnoli
Director of Photography
Luigi Ciccarese
Editor
Otello Colangeli
Props
Vincenzo Luzzi